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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 85 motors that fit and appear to have enough thrust (693 motors didn't fit, 24 motors failed safety checks). 107 motor had thrust curves available and 211 flight simulations were performed. Browse the motors that did and didn't work right here or download the results as a spreadsheet.

The Rocket

Rocket Name:   Public Missiles Callisto
Owner: Glenn Mayer
Body Diameter: 2.10in
Dry Weight: 25.0oz
MMT Diameter: 29.0mm
MMT Length: 12.50in
CD: 0.75

Motors That Work

These motors fit your rocket and appear to have enough thrust to lift it safely. If thrust curves are available, a quick simulation has been run to give a rough idea of the performance of your rocket on this motor. We encourage you to run a more complete simulation with any motor you plan to use; see the simulators page for more info.

  Motor Weight Launch Velocity Accel Altitude Time Delay
OK AeroTech F62 28.8oz 55ft/s 184ft/s 7.0G 537ft 6.0s 5s
OK Cesaroni F120 28.7oz 82ft/s 211ft/s 17.1G 592ft 6.1s 6s
OK AeroTech F42 27.7oz 57ft/s 186ft/s 7.9G 596ft 6.4s 5s
OK Cesaroni F59 28.5oz 57ft/s 200ft/s 7.9G 601ft 6.3s 5s
OK AeroTech F67 27.8oz 65ft/s 227ft/s 10.2G 719ft 6.8s 6s
OK AeroTech F25 28.2oz 51ft/s 202ft/s 6.4G 824ft 7.6s 5s
OK AeroTech F50 28.0oz 59ft/s 237ft/s 8.3G 827ft 7.3s 6s
OK AeroTech F52 29.3oz 60ft/s 237ft/s 8.7G 854ft 7.5s 6s
OK AeroTech F40 29.5oz 55ft/s 232ft/s 7.3G 922ft 7.9s 6s
OK AeroTech G54 29.8oz 60ft/s 259ft/s 8.9G 980ft 7.9s 6s
warningsW Estes F50 27.9oz 62ft/s 263ft/s 9.1G 982ft 7.9s 6s
OK Cesaroni G88 30.4oz 66ft/s 289ft/s 12.8G 1,037ft 8.0s 7s
OK AeroTech G104 29.8oz 78ft/s 296ft/s 13.7G 1,077ft 8.0s 7s
OK AeroTech G74 28.1oz 67ft/s 309ft/s 10.7G 1,137ft 8.3s 7s
OK AeroTech G53 30.1oz 63ft/s 281ft/s 9.3G 1,161ft 8.6s 7s
OK Cesaroni G80 30.1oz 62ft/s 322ft/s 10.8G 1,224ft 8.6s 7s
warningsW Estes G40 29.3oz 57ft/s 296ft/s 8.0G 1,318ft 9.2s 7s
OK AeroTech G40 29.3oz 57ft/s 296ft/s 8.0G 1,318ft 9.2s 7s
OK AeroTech G77 30.8oz 57ft/s 335ft/s 9.8G 1,323ft 9.0s 8s
OK AeroTech G77 29.3oz 63ft/s 354ft/s 11.2G 1,391ft 9.1s 8s
OK AeroTech G79 30.5oz 64ft/s 350ft/s 10.7G 1,426ft 9.2s 8s
OK Cesaroni G68 30.5oz 57ft/s 342ft/s 9.8G 1,435ft 9.4s 8s
OK Cesaroni G83 30.1oz 69ft/s 355ft/s 11.0G 1,438ft 9.2s 8s
OK Cesaroni G57 30.1oz 62ft/s 331ft/s 9.5G 1,452ft 9.5s 8s
OK AeroTech G79 29.4oz 58ft/s 349ft/s 9.0G 1,455ft 9.4s 7s
OK Cesaroni G250 30.0oz 113ft/s 411ft/s 34.0G 1,513ft 9.0s 9s
OK AeroTech G76 30.2oz 83ft/s 356ft/s 17.0G 1,573ft 9.5s 8s
OK Cesaroni G126 30.1oz 82ft/s 406ft/s 18.0G 1,601ft 9.4s 8s
OK AeroTech G64 30.3oz 70ft/s 352ft/s 11.8G 1,618ft 9.7s 7s
OK AeroTech G75 29.6oz 66ft/s 385ft/s 11.2G 1,672ft 9.8s 8s
OK Cesaroni G131 32.1oz 76ft/s 418ft/s 16.1G 1,679ft 9.7s 9s
OK AeroTech G78 29.4oz 67ft/s 402ft/s 11.5G 1,719ft 9.9s 8s
OK AeroTech G125 29.4oz 80ft/s 449ft/s 17.7G 1,780ft 9.8s 9s
OK AeroTech G80 29.5oz 71ft/s 419ft/s 11.7G 1,830ft 10.1s 8s
OK Cesaroni G106 31.6oz 67ft/s 450ft/s 13.9G 1,889ft 10.3s 9s
OK KBA G82 33.1oz 59ft/s 423ft/s 10.0G 1,915ft 10.6s 9s
OK KBA G135 33.0oz 74ft/s 468ft/s 16.4G 1,940ft 10.3s 9s
OK AeroTech G75 33.2oz 55ft/s 428ft/s 7.7G 2,034ft 11.0s 9s
OK Cesaroni G125 31.9oz 81ft/s 515ft/s 17.2G 2,209ft 10.8s 9s
OK AeroTech H165 32.1oz 90ft/s 534ft/s 20.6G 2,216ft 10.7s 10s
OK Cesaroni G118 31.6oz 78ft/s 513ft/s 16.8G 2,217ft 10.8s 9s
OK Cesaroni H175 33.7oz 89ft/s 541ft/s 24.3G 2,239ft 10.7s 10s
OK Cesaroni G54 31.8oz 74ft/s 410ft/s 12.7G 2,243ft 11.3s 8s
OK Cesaroni H133 31.7oz 83ft/s 527ft/s 20.8G 2,270ft 10.9s 10s
OK Cesaroni H410 31.4oz 146ft/s 606ft/s 59.6G 2,311ft 10.5s 10s
OK Cesaroni H163 31.6oz 94ft/s 558ft/s 23.7G 2,323ft 10.9s 10s
OK Cesaroni H90 30.7oz 75ft/s 511ft/s 17.2G 2,338ft 11.1s 9s
OK Cesaroni H87 32.2oz 67ft/s 502ft/s 13.3G 2,342ft 11.3s 9s
OK Cesaroni H54 32.4oz 64ft/s 424ft/s 10.2G 2,345ft 11.7s 8s
OK AeroTech H128 32.3oz 89ft/s 551ft/s 19.5G 2,362ft 11.0s 10s
OK AeroTech G138 30.2oz 80ft/s 584ft/s 20.4G 2,375ft 10.9s 10s
OK AeroTech H238 31.9oz 104ft/s 579ft/s 26.1G 2,390ft 10.9s 10s
OK Cesaroni H123 33.0oz 76ft/s 546ft/s 14.2G 2,402ft 11.2s 10s
OK AeroTech H115 32.2oz 74ft/s 554ft/s 12.9G 2,461ft 11.3s 10s
OK AeroTech H97 34.8oz 66ft/s 530ft/s 10.5G 2,506ft 11.7s 10s
OK Cesaroni H118 33.2oz 82ft/s 558ft/s 17.4G 2,546ft 11.4s 10s
OK KBA H130 50.0oz 74ft/s 490ft/s 14.8G 2,661ft 12.3s 10s
OK Cesaroni H237 35.4oz 105ft/s 654ft/s 29.2G 2,702ft 11.4s 11s
OK AeroTech H220 33.8oz 109ft/s 656ft/s 31.7G 2,746ft 11.4s 10s
OK Cesaroni H151 33.4oz 95ft/s 630ft/s 20.9G 2,792ft 11.6s 10s
OK AeroTech H210 33.7oz 101ft/s 669ft/s 27.0G 2,800ft 11.6s 11s
OK Cesaroni H170 33.2oz 99ft/s 666ft/s 24.8G 2,910ft 11.8s 10s
OK Cesaroni H160 34.6oz 88ft/s 663ft/s 18.3G 2,912ft 11.9s 11s
OK Cesaroni H135 33.9oz 86ft/s 640ft/s 16.6G 2,915ft 12.0s 10s
OK AeroTech H182 32.3oz 91ft/s 707ft/s 20.5G 2,934ft 11.8s 11s
OK AeroTech H180 33.9oz 100ft/s 696ft/s 26.4G 2,990ft 11.8s 11s
OK AeroTech H250 34.0oz 122ft/s 732ft/s 33.4G 3,028ft 11.8s 11s
OK KBA H225 36.1oz 88ft/s 732ft/s 26.3G 3,119ft 12.2s 11s
OK AeroTech H135 32.5oz 80ft/s 653ft/s 16.1G 3,125ft 12.3s 10s
OK AeroTech H195 31.9oz 110ft/s 768ft/s 27.6G 3,152ft 11.9s 11s
OK Cesaroni H295 37.1oz 120ft/s 768ft/s 35.2G 3,153ft 12.0s 11s
OK Cesaroni H53 35.1oz 56ft/s 513ft/s 8.6G 3,167ft 13.4s 9s
OK Cesaroni H180 36.1oz 104ft/s 728ft/s 26.0G 3,275ft 12.4s 11s
OK Cesaroni H194 35.0oz 103ft/s 751ft/s 28.0G 3,292ft 12.3s 11s
OK Cesaroni H200 34.7oz 108ft/s 763ft/s 29.1G 3,350ft 12.3s 11s
OK Cesaroni H140 34.8oz 98ft/s 723ft/s 24.4G 3,471ft 12.7s 11s
OK Cesaroni H255 33.2oz 123ft/s 847ft/s 39.8G 3,472ft 12.3s 11s
OK Cesaroni H399 35.4oz 144ft/s 889ft/s 54.6G 3,494ft 12.3s 12s
OK Cesaroni H159 37.1oz 84ft/s 791ft/s 17.3G 3,718ft 13.1s 11s
OK Cesaroni H233 36.6oz 111ft/s 866ft/s 32.5G 3,779ft 12.8s 11s
OK Cesaroni H255 36.2oz 121ft/s 901ft/s 40.1G 3,830ft 12.8s 12s
OK Cesaroni H160 36.3oz 113ft/s 792ft/s 30.4G 3,859ft 13.1s 11s
OK Cesaroni I204 37.3oz 115ft/s 895ft/s 33.5G 4,088ft 13.2s 11s
OK AeroTech I205 36.1oz 104ft/s 920ft/s 35.3G 4,093ft 13.1s 11s
warningsW,D Estes G80 29.4oz 9:1 thrust/weight ratio (no data)

W Motor total weight unknown, lift-off Weight not accurate.

D No simulation data found for this motor.

Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.

Motors That Fail

These motors fit your rocket, but failed one safety check or another. They may actually work, but you should use them only with caution. We encourage you to run a more complete simulation to verify flight safety; see the simulators page for more info.

  Motor Reason
failedG Estes E16 speed at end of launch guide too slow (29ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (40ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (33ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (43ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (39ft/s)
failedG Estes F15 speed at end of launch guide too slow (26ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (43ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (40ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG AeroTech F26 speed at end of launch guide too slow (39ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (34ft/s)
failedG Apogee F10 speed at end of launch guide too slow (30ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G8 speed at end of launch guide too slow (8ft/s)
failedG AeroTech G11 speed at end of launch guide too slow (30ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (46ft/s)

G These simulations were run with a launch guide length of 7ft (rod, rail or tower). If this is not correct, launch guide lengths can be specified for your saved rockets. (The minimum velocity required is approximately 15m/s or 50ft/s.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

Download the Results

The data is presented in a compact form in the tables above, broken down by motors that worked and those that did not. If you would like to analyze the data further, this section provides download links for files in a generic spreadsheet format (comma-separated value, or CSV) that can be opened with almost any spreadsheet program.

CSV Excel   Download full details of the simulation runs with the various motors:
that worked, that failed, or all of them.
 
RockSim   Download the list of motors that fit your rocket into a batch for use with SMARTSim. (See the Simulators page for more info.)

You should download these files to your machine and then open them. Normally, clicking the link will prompt you to do this. However, if your browser insists on opening the file as plain text, you can right-click (control-click on the Mac) on the link and chose Save File As (or similar).

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